Orthopedics Book

Cardiovascular Medicine

  • Hypothenar Hammer Syndrome

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Hypothenar Hammer Syndrome

Aka: Hypothenar Hammer Syndrome
  1. See Also
    1. Overuse Syndromes of the Hand and Wrist
  2. Mechanism
    1. Occlusion of ulnar artery at the wrist
      1. Secondary to thrombosis of ulnar artery
    2. Due to repetitive Trauma to ulnar hand
      1. Example: hand is used as a hammer
  3. Symptoms
    1. Hypothenar pain and pallor
    2. Hypothenar Paresthesias
    3. Affected digits are cool
  4. Signs
    1. Localized tenderness at hypothenar prominence
    2. Abnormal Allen Test
  5. Differential Diagnosis
    1. Ulnar Tunnel Syndrome
  6. Management
    1. Eliminate precipitating factors
    2. Surgical resection of thrombosed section of vessel
      1. Indicated for persistent symptoms

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